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A person is riding a bicycle, and its wheels have an angularvelocity of 11.0 rad/s. Then, the brakes are applied and the bikeis brought to a uniform stop. During braking, the angular displacement of each wheel is 19.6 revolutions. (a) How much time does it take for the bike tocome to rest? (b) What is the anguar acceleration(in rad/s2) of each wheel?
Two circular loops are centered on the x-axis parallel to the yz-plane. The smaller loop is stationary with radius r=0.02m, and resistance R=0.003Ohms. The larger loop has radius, s=0.2m, carries current I=1.5A, and moves towards the smaller loop ..
a solenoid is wound with a single layer of insulated copper wire of diameter 2.500 mm and has a diameter of 3.000 cm
If an airplane accelerates at 10 m/s2 for 12.3 seconds. How far has the plane traveled in that amount of time
Ball A is dropped from the top of a building of height H at the same instant ball B is thrown vertically upward from the ground. First consider the situation where the balls are moving in opposite directions when the collide.
A bullet is fired horizontally with an initial velocity of 900 m/s at a target located 150 m from the rifle. How much time is required for the bullet to reach the target
Listed below are the forces that were applied to the cart in these three runs. Use Newton's second law to estimate the mass of the cart in kg from this set of data
Explain, in detail, why the dust clings to the wheels. Be sure to describe forces by name and mention charging by induction, conducting, or rubbing, if it is appropriate. Also illustrate what atoms on Mars must be composed of.
A spaceship needs to change its course by angle ?. The ship's engines can exert a force F in any direction. For how long do the engines need to remain on
During a thunderstorm, you see a flash of lightning hit the Earth far away from your location. You look at your watch and hear the thunder exactly 10 s after. How far away did the lightning strike the ground
A diving board of length 3{rm m} is supported at a point 1 {rm m} from the end, and a diver weighing 550 {rm N} stands at the free end. The diving board is of uniform cross section and weighs 295 {rm N}. Find out the magnitude of the force at the ..
A uniform rod of mass M and length L can pivotfreely (i.e., we ignore friction) about a hinge attached to a wall,as in Fig. 8–54. The rod is held horizontally and then released. At the moment of release, determine (a) the angular acceleration of t..
A car enters a 300-m radius flat curve on a rainy day when the coefficient of static friction between its tires and the road is 0.600. what is the maximum speed if the ramp is banked 30 degrees
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